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    <meta charset="UTF-8">
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    <title>类选择器</title>
    <style>
        .buzhidao {
            /* 类选择器 适用于多处应用的场景 */
            color: #ae12a6;
        }
    </style>
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<body>
    <p class="buzhidao">李昊哲桃李不言</p>
    <p class="buzhidao">刘晓兰下自成蹊</p>
    <p>真的吗</p>
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